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Test Info: Errors
- This test gets skipped with pattern: tsan OR http3 OR http2
- This test failed 9 times in the preceding 30 days. quicksearch this test
- Manifest: devtools/client/performance-new/test/browser/browser.toml
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
"use strict";
async function waitForClipboard() {
return waitUntil(() => navigator.clipboard.readText());
}
// Before starting the test, let's find out which features are selected from the
// Graphics preset.
const supportedFeatures = Services.profiler.GetFeatures();
const { presets } = ChromeUtils.importESModule(
"resource://devtools/shared/performance-new/prefs-presets.sys.mjs"
);
// Depending on the environment, not all features are present. So that the test
// works for all environments, we need to compute this value instead of
// hardcoding it.
const featuresForGraphicsPreset = presets.graphics.features.filter(feature =>
supportedFeatures.includes(feature)
);
const featuresForGraphicsPresetAsString = featuresForGraphicsPreset.join(",");
// For convenience, we also compute the expected value for threads.
const threadsForGraphicsPresetsAsString = presets.graphics.threads.join(",");
add_task(async function test() {
info("Test the more actions button in about:profiling.");
info(
"Set the preference devtools.performance.aboutprofiling.has-developer-options to true"
);
await SpecialPowers.pushPrefEnv({
set: [["devtools.performance.aboutprofiling.has-developer-options", true]],
});
await withAboutProfiling(async (document, browser) => {
info("Make sure the preset 'Graphics' is checked for consistency.");
const graphicsPresetLabel = await getElementFromDocumentByText(
document,
"Graphics"
);
EventUtils.synthesizeMouseAtCenter(
graphicsPresetLabel,
{},
browser.contentWindow
);
is(
Services.prefs.getCharPref("devtools.performance.recording.preset", ""),
"graphics",
'The preset "graphics" is selected.'
);
info("Test that there is a button to show a menu with more actions.");
const moreActionsButton = document.querySelector("moz-button");
ok(moreActionsButton, "There is a button.");
ok(moreActionsButton.shadowRoot, "The button contains a shadowDom.");
// Make sure we have an accessible name
is(
moreActionsButton.shadowRoot.querySelector("button").title,
"More actions",
"Test that the more actions button has a title"
);
info("Test that the button is clickable");
// The second argument is the event object. By passing an empty object, this
// tells the utility function to generate a mousedown then a mouseup, that
// is a click.
EventUtils.synthesizeMouseAtCenter(
moreActionsButton,
{},
browser.contentWindow
);
let item = await getElementFromDocumentByText(
document,
"with startup profiling"
);
ok(item, "The item to restart with startup profiling has been displayed");
// Skipping clicking on the item, we don't want to actually restart firefox
// during the test. But most of the code is common with the below use case
// "copy environment variables".
info("Will copy environment variables for startup profiling");
SpecialPowers.cleanupAllClipboard();
item = await getElementFromDocumentByText(
document,
"Copy environment variables"
);
ok(
item,
"The item to copy environment variables for startup profiling is present in the menu"
);
EventUtils.synthesizeMouseAtCenter(item, {}, browser.contentWindow);
is(
await waitForClipboard(),
`MOZ_PROFILER_STARTUP='1' MOZ_PROFILER_STARTUP_INTERVAL='1' MOZ_PROFILER_STARTUP_ENTRIES='134217728' MOZ_PROFILER_STARTUP_FEATURES='${featuresForGraphicsPresetAsString}' MOZ_PROFILER_STARTUP_FILTERS='${threadsForGraphicsPresetsAsString}'`,
"The clipboard contains the environment variables suitable for startup profiling."
);
info("Will copy parameters for performance tests profiling");
SpecialPowers.cleanupAllClipboard();
EventUtils.synthesizeMouseAtCenter(
moreActionsButton,
{},
browser.contentWindow
);
item = await getElementFromDocumentByText(document, "performance tests");
ok(
item,
"The item to copy the parameters to performance tests is present in the menu"
);
EventUtils.synthesizeMouseAtCenter(item, {}, browser.contentWindow);
is(
await waitForClipboard(),
`--gecko-profile --gecko-profile-interval 1 --gecko-profile-entries 134217728 --gecko-profile-features '${featuresForGraphicsPresetAsString}' --gecko-profile-threads '${threadsForGraphicsPresetsAsString}'`,
"The clipboard contains the parameters suitable for performance tests."
);
SpecialPowers.cleanupAllClipboard();
// With the preference set to false, the items aren't present
info(
"Set the preference devtools.performance.aboutprofiling.has-developer-options to false"
);
await SpecialPowers.pushPrefEnv({
set: [
["devtools.performance.aboutprofiling.has-developer-options", false],
],
});
EventUtils.synthesizeMouseAtCenter(
moreActionsButton,
{},
browser.contentWindow
);
await getElementFromDocumentByText(document, "with startup profiling");
// The item that's always present is now displayed
ok(
!maybeGetElementFromDocumentByText(
document,
"Copy environment variables"
),
"The item to copy environment variables is not present."
);
ok(
!maybeGetElementFromDocumentByText(document, "performance tests"),
"the item to copy the parameters for performance tests is not present."
);
});
});